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发明名称
Coil friction clutch
摘要
申请公布号
US1935782(A)
申请公布日期
1933.11.21
申请号
US19320595239
申请日期
1932.02.26
申请人
ARVID PALMGREN NILS
发明人
PALMGREN NILS ARVID
分类号
F16D21/08
主分类号
F16D21/08
代理机构
代理人
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