Cited in | International search | Type: | Patent literature | Publication No.: | GB1534241
[A] (SCHULZ M) [A] 1-20 * page 2, line 35 - line 59; figure 1 *; | Type: | Patent literature | Publication No.: | EP0372099
[A] (BEDA OXYGENTECH ARMATUR [DE]) [A] 1-20 * figures 1,4 *; | Type: | Patent literature | Publication No.: | JPH10204519
[A] (SUMITOMO METAL IND) [A] 1-20* paragraph [0031]; figure 6 *; | Type: | Patent literature | Publication No.: | US6171545
[A] (MARMANN HORST [DE]) [A] 1-20 * figures 1,2,4 * | Cited in | by applicant | Type: | Patent literature | Publication No.: | DE2327595
| Type: | Patent literature | Publication No.: | DE2447723
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