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发明名称
PREPARATION OF UREAS
摘要
申请公布号
CA472332(A)
申请公布日期
1951.03.20
申请号
CAD472332
申请日期
申请人
MALLINCKRODT CHEMICAL WORKS
发明人
AUGUST H. HOMEYER
分类号
主分类号
代理机构
代理人
主权项
地址
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piezoelectric yarn break detector - removably mounted in lappet in slots with electric connecting leads in slots
Dry pressing of powdered ceramic, metal, or alloy - uses lever system to adjust additional lower die movement in proportion to that of upper die
Alumina ceramic for mfg. wear resistant parts, esp. valve seats - where mouldings contain at least one heavy metal oxide such as chromic oxide or titanium di:oxide
Disabling gas cartridge for hijacked aircraft recovery - uses central relay to trigger gas release and shut down ventilation system
Solar collector with sloping surface and duct for heat-transfer fluid - has mineral or acrylic! glass window, and heat-insulating packing
Insect catching device - with glue coated bag inside ornamental open vessel contg. suction fan
Safety ski binding with swivelling housing - includes height release mechanism and sole holder both under adjustable pretension by coiled springs
Low height concrete mixer having annular horizontal drum - in which depending, hollow agitator arms circulate to supply water (sw 11.9.78)
Theft prevention from department stores - involves electromagnetic material attached to articles and circuit in store exit passage responds to material
Condensn. on cryogenic sepn. columns at high efficiency - using liq. contg. the higher boiling component at lower pressure to provide reflux of the lower boiling point component
7-Amino-1,3,5-tri:aza-adamantane prodn. - by hydrogenating nitro cpd. in water over metal catalyst, useful as plastics stabiliser
