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发明名称
Improvements relating to swivel couplings
摘要
申请公布号
GB879104(A)
申请公布日期
1961.10.04
申请号
GB19570039758
申请日期
1957.12.20
申请人
GUTEHOFFNUNGSHUTTE STERKRADE AKTIENGESELLSCHAFT
发明人
分类号
B61G1/36
主分类号
B61G1/36
代理机构
代理人
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地址
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