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发明名称
A tool for expanding hollow articles of extensible materials
摘要
申请公布号
GB503565(A)
申请公布日期
1939.04.11
申请号
GB19370033822
申请日期
1937.12.07
申请人
SIEMENS BROTHERS & CO., LIMITED;ERNEST FREDERICK GUEST
发明人
分类号
B25B27/00
主分类号
B25B27/00
代理机构
代理人
主权项
地址
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