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发明名称
Improvements in releasable coupling devices
摘要
申请公布号
GB686139(A)
申请公布日期
1953.01.21
申请号
GB19500025882
申请日期
1950.10.24
申请人
BRONZAVIA
发明人
分类号
F16D43/20
主分类号
F16D43/20
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代理人
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