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发明名称
AUS BETON ODER AEHNLICHEM WERKSTOFF BESTEHENDER SCHORNSTEIN-REINIGUNGSVERSCHLUSS.
摘要
申请公布号
DE1666577(U)
申请公布日期
1953.11.12
申请号
DE195300K2830U
申请日期
1953.08.03
申请人
FRANZ KUCHTA
发明人
FRANZ KUCHTA
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