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发明名称
Grandstand construction
摘要
申请公布号
US3222827(A)
申请公布日期
1965.12.14
申请号
US19620168113
申请日期
1962.01.23
申请人
PLAYTIME EQUIPMENT CORPORATION
发明人
SMITH PAUL A.
分类号
E04H3/12
主分类号
E04H3/12
代理机构
代理人
主权项
地址
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