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经营范围
发明名称
Self-acting valve
摘要
申请公布号
GB426914(A)
申请公布日期
1935.04.11
申请号
GB19340025652
申请日期
1934.09.06
申请人
LOUIS MATTHEY VUILLE
发明人
分类号
F16K31/20
主分类号
F16K31/20
代理机构
代理人
主权项
地址
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