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经营范围
发明名称
Improvements in or relating to the manufacture of telephone selector banks and like electrical apparatus
摘要
申请公布号
GB364192(A)
申请公布日期
1932.01.07
申请号
GB19300030054
申请日期
1930.10.07
申请人
WILLIAM EDWARD PATTMAN;ARNOLD WILLIAM SHERWOOD;BAKELITE LIMITED
发明人
分类号
H01H63/06
主分类号
H01H63/06
代理机构
代理人
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地址
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