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  2. -- Us Patent 3 950 043 Support Of Rotary Drums Such As Kilns

us patent 3 950 043 support of rotary drums such as kilns

US20170058451A1 US15073,575 US201615073575A US2017058451A1 US 20170058451 A1 US20170058451 A1 US 20170058451A1 US 201615073575 A US201615073575 A US 201615073575A US 2017058451 A1 US2017058451 A1 US 2017058451A1 Authority US United States Prior art keywords construct fibers particles fiber diatomite Prior art date 2014-08-29 Legal status The legal

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