CA990020A1 - - Google Patents

Info

Publication number
CA990020A1
CA990020A1 CA 990020 A1 CA990020 A1 CA 990020A1
Authority
CA
Grant status
Grant
Patent type
Application number

Links

Unknown

Family

ID=

Also Published As

Publication number Publication date Type
US3792699A (en) 1974-02-19 grant
DE2358528A1 (en) 1975-05-22 application
FR2254248A5 (en) 1975-07-04 application
CA990020A (en) 1976-06-01 grant
GB1453961A (en) 1976-10-27 application