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发明名称
Perforated Strip
摘要
申请公布号
GB1173913(A)
申请公布日期
1969.12.10
申请号
GB19660017438
申请日期
1966.04.21
申请人
GEORGE WILSON GAS METERS LIMITED
发明人
LESLIE WALKER
分类号
F16L3/123
主分类号
F16L3/123
代理机构
代理人
主权项
地址
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