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发明名称
Rail anchor
摘要
申请公布号
US3358926(A)
申请公布日期
1967.12.19
申请号
US19660528684
申请日期
1966.01.10
申请人
BLACKFORD WILLIAM A
发明人
BLACKFORD WILLIAM A.
分类号
E01B13/02
主分类号
E01B13/02
代理机构
代理人
主权项
地址
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