BE779993A1 - - Google Patents

Info

Publication number
BE779993A1
BE779993A1 BE 779993 A1 BE779993 A1 BE 779993A1
Authority
BE
Grant status
Grant
Patent type
Application number

Links

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Also Published As

Publication number Publication date Type
DE2209610A1 (en) 1972-09-14 application
CA961776A (en) 1975-01-28 grant
FR2127835A5 (en) 1972-10-13 application
BE779993A (en) 1972-06-16 grant
CA961776A1 (en) grant
US3731806A (en) 1973-05-08 grant
GB1376472A (en) 1974-12-04 application