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经营范围
发明名称
Tool for inserting a valve seat into a valve body
摘要
申请公布号
US3388450(A)
申请公布日期
1968.06.18
申请号
US19670629259
申请日期
1967.04.07
申请人
KEYSTONE VALVE CORPORATION
发明人
FORSMAN EARL R.
分类号
B23P19/08
主分类号
B23P19/08
代理机构
代理人
主权项
地址
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