CH565870A5CH1744172ACH1744172ACH565870A5CH 565870 A5CH565870 A5CH 565870A5CH 1744172 ACH1744172 ACH 1744172ACH 1744172 ACH1744172 ACH 1744172ACH 565870 A5CH565870 A5CH 565870A5
Authority
CH
Switzerland
Application number
CH1744172A
Original Assignee
Aluminum Co Of America
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Filing date
Publication date
Application filed by Aluminum Co Of AmericafiledCriticalAluminum Co Of America
Publication of CH565870A5publicationCriticalpatent/CH565870A5/xx