ES11231A1 - Improvements in the apparatus used to manufacture tunnels. - Google Patents

Improvements in the apparatus used to manufacture tunnels.

Info

Publication number
ES11231A1
ES11231A1 ES11231A ES11231A ES11231A1 ES 11231 A1 ES11231 A1 ES 11231A1 ES 11231 A ES11231 A ES 11231A ES 11231 A ES11231 A ES 11231A ES 11231 A1 ES11231 A1 ES 11231A1
Authority
ES
Spain
Prior art keywords
tunnels
manufacture
apparatus used
manufacture tunnels
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
ES11231A
Other languages
Spanish (es)
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
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 by Individual filed Critical Individual
Priority to ES11231A priority Critical patent/ES11231A1/en
Publication of ES11231A1 publication Critical patent/ES11231A1/en
Expired legal-status Critical Current

Links

ES11231A 1890-09-13 1890-09-13 Improvements in the apparatus used to manufacture tunnels. Expired ES11231A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES11231A ES11231A1 (en) 1890-09-13 1890-09-13 Improvements in the apparatus used to manufacture tunnels.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES11231A ES11231A1 (en) 1890-09-13 1890-09-13 Improvements in the apparatus used to manufacture tunnels.

Publications (1)

Publication Number Publication Date
ES11231A1 true ES11231A1 (en) 1890-12-16

Family

ID=64156108

Family Applications (1)

Application Number Title Priority Date Filing Date
ES11231A Expired ES11231A1 (en) 1890-09-13 1890-09-13 Improvements in the apparatus used to manufacture tunnels.

Country Status (1)

Country Link
ES (1) ES11231A1 (en)

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