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发明名称
VORRICHTUNG ZUR ABDECKUNG DES PROJEKTIONSSTRAHLENGANGES AN PROJEKTOREN.
摘要
申请公布号
DE1714185(U)
申请公布日期
1955.12.29
申请号
DE195500B3516U
申请日期
1955.10.21
申请人
CARL BRAUN CAMERAWERK
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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Multi-size cover for christmas tree stands - has touch and close fastener joining sides of conical sleeve
Multistage compressor with high pressure reservoir - with operation provided by selective connection of inlet to high compression stage(s)
Pressure valve for engine fuel line - has control collar with helical recess formed in valve closure
Transporter vehicle hoist for raising and lowering lifting equipment - has boom pivoting, about longitudinal axis, between position centrally behind cabin, and position at vehicle side
Chain of clips to stretch film biaxially - has links with one eccentric pin which can be turned to adjust chain length and hence to shrink gripped film
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Breathing apparatus with compressed air supply - has connection to supply air to pneumatic tool as well as to breathing mask