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发明名称
RETRACTOR DEVICE WITH COMPENSATING BRAKE
摘要
申请公布号
CA885318(A)
申请公布日期
1971.11.09
申请号
CAD885318
申请日期
申请人
DUPLEX
发明人
WALTER T. MATTHEWS
分类号
主分类号
代理机构
代理人
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地址
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