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发明名称
DAKKONSTRUKTIE VOOR HET OPVANGEN VAN ZONNEWARMTE.
摘要
申请公布号
NL7802886(A)
申请公布日期
1978.09.20
申请号
NL19780002886
申请日期
1978.03.16
申请人
ELF-UNION S.A. TE PARIJS.
发明人
分类号
E04D13/18;F24J2/04;(IPC1-7):F24J3/02;E04D13/00
主分类号
E04D13/18
代理机构
代理人
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