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发明名称
Improvements in or relating to coupling devices for pipes or conduits
摘要
申请公布号
GB691568(A)
申请公布日期
1953.05.13
申请号
GB19510005924
申请日期
1951.03.12
申请人
AVERY-HARDOLL LIMITED
发明人
FRASER JOHN
分类号
F16L37/32
主分类号
F16L37/32
代理机构
代理人
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地址
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