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发明名称
PULSE GENERATOR FOR ELECTRIC-EROSION WORKING OF MATERIALS
摘要
申请公布号
SU1403344(A1)
申请公布日期
1988.06.15
申请号
SU19864144801
申请日期
1986.11.10
申请人
MARAEV EVGENIJ V,SU
发明人
MARAEV EVGENIJ V,SU
分类号
H03K3/53;B23H1/02
主分类号
H03K3/53
代理机构
代理人
主权项
地址
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Direction indicator for road travellers - has data write-in and call-up for indication of required road direction in intersection pattern
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Speech learning for deaf and hard of hearing - uses constantly distinguishable stimulating features corresponding to sound pattern and sent to sense receptors
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Packaging system for emmentaler cheese - includes cutting whole cheese into 90 degrees sectors which are cut into two parts
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LED with sharply defined radiation surface for range findings - has frame-like front electrode on light-emitting semiconductor and solid rear electrode opposite frame opening
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Netting for keeping and holding roots or seeds - composed of polyethylene filament strengthened cotton-acrylic! woof, and polyethylene yarn warp