CH5132A - Tunnel drilling machine - Google Patents

Tunnel drilling machine

Info

Publication number
CH5132A
CH5132A CH5132A CH5132DA CH5132A CH 5132 A CH5132 A CH 5132A CH 5132 A CH5132 A CH 5132A CH 5132D A CH5132D A CH 5132DA CH 5132 A CH5132 A CH 5132A
Authority
CH
Switzerland
Prior art keywords
drilling machine
tunnel drilling
tunnel
machine
drilling
Prior art date
Application number
CH5132A
Other languages
French (fr)
Inventor
Percy Knowles
Original Assignee
Percy Knowles
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 Percy Knowles filed Critical Percy Knowles
Publication of CH5132A publication Critical patent/CH5132A/en

Links

CH5132A 1892-06-02 1892-06-02 Tunnel drilling machine CH5132A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5132T 1892-06-02

Publications (1)

Publication Number Publication Date
CH5132A true CH5132A (en) 1892-10-31

Family

ID=4188714

Family Applications (1)

Application Number Title Priority Date Filing Date
CH5132A CH5132A (en) 1892-06-02 1892-06-02 Tunnel drilling machine

Country Status (1)

Country Link
CH (1) CH5132A (en)

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