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发明名称
EXPANDING JOINT PINS
摘要
申请公布号
GB1543646(A)
申请公布日期
1979.04.04
申请号
GB19760030876
申请日期
1977.07.25
申请人
ACROW LTD
发明人
分类号
E04G7/20;E04G7/30;(IPC1-7):F16B2/14
主分类号
E04G7/20
代理机构
代理人
主权项
地址
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