EXPLOSIVE RESEARCH LTD., A LIMITED PARTNERSHIP

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FORT WORTH, TX, US

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System and method for increasing wall thickness on end of pipe on w...
- Patent number 4,564,226
- Issue date Jan 14, 1986
- Explosive Research Ltd.
- Alfred E. Doherty
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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