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发明名称
REEL ASSEMBLY WITH CENTRIFUGAL CLUTCH
摘要
申请公布号
US3522917(A)
申请公布日期
1970.08.04
申请号
USD3522917
申请日期
1967.11.24
申请人
BELL & HOWELL CO.
发明人
OLDRICH FRYC
分类号
G03B1/40;G03B21/32;(IPC1-7):G03B1/04;G11B15/32;G11B23/04
主分类号
G03B1/40
代理机构
代理人
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地址
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