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经营范围
发明名称
Separable coupling
摘要
申请公布号
US3174781(A)
申请公布日期
1965.03.23
申请号
US19620221924
申请日期
1962.09.06
申请人
EASTMAN EVERETT J
发明人
EASTMAN EVERETT J.
分类号
E04B1/58;E04G7/20;E04G7/30;F16B7/22
主分类号
E04B1/58
代理机构
代理人
主权项
地址
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