CA489670A - Elements de diaphragmes et methode de fabrication - Google Patents

Elements de diaphragmes et methode de fabrication

Info

Publication number
CA489670A
CA489670A CA489670A CA489670DA CA489670A CA 489670 A CA489670 A CA 489670A CA 489670 A CA489670 A CA 489670A CA 489670D A CA489670D A CA 489670DA CA 489670 A CA489670 A CA 489670A
Authority
CA
Canada
Prior art keywords
fabricating same
diaphragm units
diaphragm
units
fabricating
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
CA489670A
Other languages
English (en)
Inventor
H. Bilhuber Paul
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.)
Steinway and Sons
Original Assignee
Steinway and Sons
Publication date
Application granted granted Critical
Publication of CA489670A publication Critical patent/CA489670A/fr
Expired legal-status Critical Current

Links

CA489670A Elements de diaphragmes et methode de fabrication Expired CA489670A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA489670T

Publications (1)

Publication Number Publication Date
CA489670A true CA489670A (fr) 1953-01-13

Family

ID=35629398

Family Applications (1)

Application Number Title Priority Date Filing Date
CA489670A Expired CA489670A (fr) Elements de diaphragmes et methode de fabrication

Country Status (1)

Country Link
CA (1) CA489670A (fr)

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