Membership
Tour
Register
Log in
with curved jibs only
Follow
Industry
CPC
E21C25/26
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21C
MINING OR QUARRYING
E21C25/00
Cutting machines
Current Industry
E21C25/26
with curved jibs only
Industries
Overview
Organizations
People
Information
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
2755077
Patent number
2,755,077
Issue date
Jul 17, 1956
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
CPC
E21C25/26
Information
Patent Grant
