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发明名称
Ball cock
摘要
申请公布号
US2706998(A)
申请公布日期
1955.04.26
申请号
US19500192418
申请日期
1950.10.27
申请人
RALPH E. BLETCHER;ERNEST H. BUCKNELL;MABEL BUCKNELL;PEARL W. BLETCHER;MARCIA B. LISTON;JARVIS H. BLETCHER;HAZEL B. SKINNER;CHARLOTTE R. B. ROBERTSON;FREDERICK K. ROBERTSON;JAMES H. BLETCHER
发明人
BLETCHER RALPH E.;WARD IRVING A.
分类号
F16K31/26
主分类号
F16K31/26
代理机构
代理人
主权项
地址
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