CA230526A - Process of colouring iron and steel black - Google Patents

Process of colouring iron and steel black

Info

Publication number
CA230526A
CA230526A CA230526A CA230526DA CA230526A CA 230526 A CA230526 A CA 230526A CA 230526 A CA230526 A CA 230526A CA 230526D A CA230526D A CA 230526DA CA 230526 A CA230526 A CA 230526A
Authority
CA
Canada
Prior art keywords
colouring
iron
steel black
black
steel
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
CA230526A
Other languages
French (fr)
Inventor
Utendorfer Wilhelm
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA230526A publication Critical patent/CA230526A/en
Expired legal-status Critical Current

Links

CA230526A Process of colouring iron and steel black Expired CA230526A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA230526T

Publications (1)

Publication Number Publication Date
CA230526A true CA230526A (en) 1923-04-24

Family

ID=35127899

Family Applications (1)

Application Number Title Priority Date Filing Date
CA230526A Expired CA230526A (en) Process of colouring iron and steel black

Country Status (1)

Country Link
CA (1) CA230526A (en)

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