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发明名称
Improvements relating to closure means for waste pipe outlets
摘要
申请公布号
GB420918(A)
申请公布日期
1934.12.11
申请号
GB19330016807
申请日期
1933.06.13
申请人
ALEC GRAHAM WESTMORELAND
发明人
分类号
A47K1/14
主分类号
A47K1/14
代理机构
代理人
主权项
地址
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