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经营范围
发明名称
Tube coupling sleeve
摘要
申请公布号
GB637940(A)
申请公布日期
1950.05.31
申请号
GB19480005470
申请日期
1948.02.24
申请人
GEORGE VICTOR WOODLING
发明人
分类号
F16L19/05
主分类号
F16L19/05
代理机构
代理人
主权项
地址
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