FR842352A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Settling tank for coal black water and the like
Assignee: FU R FORDERANLAGEN ERNST HECKE
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Filing: 1938-08-20
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Granted: 1939-06-12
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Expires: 1958-08-20
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FR
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2026-10-27 09:54
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