PL29980B1 - - Google Patents

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Publication number
PL29980B1
PL29980B1 PL29980A PL2998036A PL29980B1 PL 29980 B1 PL29980 B1 PL 29980B1 PL 29980 A PL29980 A PL 29980A PL 2998036 A PL2998036 A PL 2998036A PL 29980 B1 PL29980 B1 PL 29980B1
Authority
PL
Poland
Prior art keywords
muffle
mantle
outer mantle
furnace
insulating material
Prior art date
Application number
PL29980A
Other languages
English (en)
Polish (pl)
Filing date
Publication date
Application filed filed Critical
Publication of PL29980B1 publication Critical patent/PL29980B1/pl

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PL29980A 1936-11-21 PL29980B1 (cs)

Publications (1)

Publication Number Publication Date
PL29980B1 true PL29980B1 (cs) 1941-09-30

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