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发明名称
Bowl gasket sleeve assembly
摘要
申请公布号
US3224014(A)
申请公布日期
1965.12.21
申请号
US19640421744
申请日期
1964.12.16
申请人
PIETRZAK HENRY S
发明人
PIETRZAK HENRY S.
分类号
E03D11/16
主分类号
E03D11/16
代理机构
代理人
主权项
地址
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