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经营范围
发明名称
Knock-down shelter
摘要
申请公布号
US2848757(A)
申请公布日期
1958.08.26
申请号
US19560604185
申请日期
1956.08.15
申请人
BILLY J. GOLDEN
发明人
JR. ABBOTT E. ARMSTRONG,
分类号
E04H1/12
主分类号
E04H1/12
代理机构
代理人
主权项
地址
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