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经营范围
发明名称
Als Registrierkasse ausgebildete Addiermaschine.
摘要
申请公布号
AT119219(B)
申请公布日期
1930.10.10
申请号
ATD119219
申请日期
1929.04.13
申请人
ALOIS KNOTZ
发明人
ALOIS KNOTZ
分类号
主分类号
代理机构
代理人
主权项
地址
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Semi-cylindrical plastic roof - with tensioned straps holding plastic panels against curved arches
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Cathode rotation monitor for silver reclaiming machine - where visible or audible signal is created for each revolution of cathode shaft
Lightweight concrete block - contains rows of staggered longitudinal slots filled with foamed polymer providing thermal insulation
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Wear resisting coating, esp. for electric contacts - consists of intermetallic cpds., esp. hard carbide(s), obtd. by sputtering onto contact carrier
Night storage electric central heating system - uses storage blocks immersed in salt mixture pumped through heat exchanger for heat transfer to water circulation circuit
Controller for circulating hot water central heating system - controls fuel valve to maintain circulation temp. within daytime or night-time limits
Razor blade retainer for hair cutting - has cut-off blade holder with teeth
Crossbar conveyor for moulded clay pieces - has elements raised between bars, laterally moved and lowered to space pieces transversely
Open fire guard assembly - is made of fine-mesh material stretched over frame positively held against opening
