CA211052A - Methode de fabrication de billes creuses - Google Patents

Methode de fabrication de billes creuses

Info

Publication number
CA211052A
CA211052A CA211052A CA211052DA CA211052A CA 211052 A CA211052 A CA 211052A CA 211052 A CA211052 A CA 211052A CA 211052D A CA211052D A CA 211052DA CA 211052 A CA211052 A CA 211052A
Authority
CA
Canada
Prior art keywords
hollow balls
making hollow
balls
making
hollow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA211052A
Other languages
English (en)
Inventor
Harry Gruver Joseph
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEAMLESS HOLLOW BALL CO
Original Assignee
SEAMLESS HOLLOW BALL CO
Publication date
Application granted granted Critical
Publication of CA211052A publication Critical patent/CA211052A/fr
Expired legal-status Critical Current

Links

CA211052A Methode de fabrication de billes creuses Expired CA211052A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA211052T

Publications (1)

Publication Number Publication Date
CA211052A true CA211052A (fr) 1921-04-26

Family

ID=35104831

Family Applications (1)

Application Number Title Priority Date Filing Date
CA211052A Expired CA211052A (fr) Methode de fabrication de billes creuses

Country Status (1)

Country Link
CA (1) CA211052A (fr)

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