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发明名称
Grubenstempel und aehnliche Stuetzen
摘要
申请公布号
DE1027617(B)
申请公布日期
1958.04.10
申请号
DE1953H018372
申请日期
1953.11.16
申请人
HOLLYBANK ENGINEERING COMPANY LTD.
发明人
WATERHOUSE WILLIAM
分类号
E21D15/58
主分类号
E21D15/58
代理机构
代理人
主权项
地址
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