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发明名称
POOL COVER
摘要
申请公布号
ZA7704516(B)
申请公布日期
1978.06.28
申请号
ZA19770004516
申请日期
1977.07.26
申请人
SCHUETZ J
发明人
SCHUETZ J
分类号
E04H
主分类号
E04H
代理机构
代理人
主权项
地址
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