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发明名称
Anchor
摘要
申请公布号
US1791185(A)
申请公布日期
1931.02.03
申请号
US19280317271
申请日期
1928.11.05
申请人
W. N. MATTHEWS CORPORATION
发明人
BIRKENMAIER THEODORE
分类号
E02D5/80
主分类号
E02D5/80
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