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经营范围
发明名称
Vanne à papillon
摘要
申请公布号
FR1339202(A)
申请公布日期
1963.10.04
申请号
FR19620915303
申请日期
1962.11.14
申请人
BETTS MACHINE COMPANY
发明人
分类号
F16K1/22;F16K1/226
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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