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经营范围
发明名称
Improvements in or relating to hydraulic cartridges
摘要
申请公布号
GB443507(A)
申请公布日期
1936.03.02
申请号
GB19340029198
申请日期
1934.10.12
申请人
GULLICK LIMITED;TOM SEAMAN
发明人
分类号
E21C37/08
主分类号
E21C37/08
代理机构
代理人
主权项
地址
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