IT999871B -
SHEET ELEMENT FOR FIRE RESISTANT CLOSING OPENING OF PASSAGES
- Google Patents
SHEET ELEMENT FOR FIRE RESISTANT CLOSING OPENING OF PASSAGES
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Publication number
IT999871B
IT999871BIT7053973AIT7053973AIT999871BIT 999871 BIT999871 BIT 999871BIT 7053973 AIT7053973 AIT 7053973AIT 7053973 AIT7053973 AIT 7053973AIT 999871 BIT999871 BIT 999871B
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Application filed by Gruenau Gmbh Chem Fab, Pyro Chemie Basel AgfiledCriticalGruenau Gmbh Chem Fab
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