BE441373A - - Google Patents

Info

Publication number: BE441373A
Authority: BE; Belgium

Application number

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.)

1940-05-11

Publication of BE441373A publication Critical patent/BE441373A/xx

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/30—Perforating, i.e. punching holes in annular parts, e.g. rims
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)

BE441373D 1940-05-11 BE441373A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR971397T		1940-05-11

Publications (1)

Publication Number	Publication Date
BE441373A true BE441373A (enrdf_load_html_response)

Family

ID=9513111

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE441373D BE441373A (enrdf_load_html_response)	1940-05-11

Country Status (2)

Country	Link
BE (1)	BE441373A (enrdf_load_html_response)
FR (1)	FR971397A (enrdf_load_html_response)

0
- BE BE441373D patent/BE441373A/xx unknown
1940
- 1940-05-11 FR FR971397D patent/FR971397A/fr not_active Expired

Also Published As

Publication number	Publication date
FR971397A (fr)	1951-01-16

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