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发明名称
Improvements in or relating to coupling devices for tubular elements
摘要
申请公布号
GB795549(A)
申请公布日期
1958.05.28
申请号
GB19550026734
申请日期
1955.09.19
申请人
THOMAS CROPPER RYLEY SHEPHERD
发明人
分类号
F16L23/18;F16L41/14
主分类号
F16L23/18
代理机构
代理人
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