Changelog for the datasheet Grooved gasket B7A / B9A / B15A with graphite layers 4.8 mm
Revision:	1 (current version)
Date:		2014-01-20
Changes:
Converted to new datasheet layout.
Additional and corrected leakage values.
Corrected and renewed mechanical values.

Revision:	0
Date:		2009-05-11
Changes:
First version (Revision 0)