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发明名称
Protective sleeve for metal posts
摘要
申请公布号
US2710677(A)
申请公布日期
1955.06.14
申请号
US19520294878
申请日期
1952.06.21
申请人
STARLINE INC.
发明人
FERRIS ROBERT G.
分类号
B21C37/15;E04H12/22
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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