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经营范围
发明名称
Gas seal
摘要
申请公布号
US2913077(A)
申请公布日期
1959.11.17
申请号
US19580760460
申请日期
1958.09.11
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
D'ALTROY FREDERICK A.;PONDY PAT R.
分类号
C04B37/02;H01B1/00
主分类号
C04B37/02
代理机构
代理人
主权项
地址
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