FR940966A - Internally ribbed tube - Google Patents

Internally ribbed tube

Info

Publication number
FR940966A
FR940966A FR940966DA FR940966A FR 940966 A FR940966 A FR 940966A FR 940966D A FR940966D A FR 940966DA FR 940966 A FR940966 A FR 940966A
Authority
FR
France
Prior art keywords
ribbed tube
internally ribbed
internally
tube
ribbed
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
Other languages
French (fr)
Inventor
Andre Geyer
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR940966A publication Critical patent/FR940966A/en
Expired legal-status Critical Current

Links

FR940966D 1946-04-19 1946-04-19 Internally ribbed tube Expired FR940966A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR940966T 1946-04-19

Publications (1)

Publication Number Publication Date
FR940966A true FR940966A (en) 1948-12-29

Family

ID=9466057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR940966D Expired FR940966A (en) 1946-04-19 1946-04-19 Internally ribbed tube

Country Status (1)

Country Link
FR (1) FR940966A (en)

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