21.
    发明专利
    未知

    公开(公告)号:DE1854817U

    公开(公告)日:1962-07-12

    申请号:DESC031161

    申请日:1962-01-30

    Inventor: SCHAEFER WILHELM

    24.
    发明专利
    未知

    公开(公告)号:DE1711715U

    公开(公告)日:1955-11-24

    申请号:DESC010535

    申请日:1953-11-03

    Inventor: SCHAEFER WILHELM

    25.
    发明专利
    未知

    公开(公告)号:DE1689669U

    公开(公告)日:1954-12-23

    申请号:DESC012655

    申请日:1954-07-09

    Inventor: SCHAEFER WILHELM

    26.
    发明专利
    未知

    公开(公告)号:DE1655055U

    公开(公告)日:1953-05-07

    申请号:DESC008544

    申请日:1953-03-02

    Inventor: SCHAEFER WILHELM

    28.
    发明专利
    未知

    公开(公告)号:DE1608342U

    公开(公告)日:1950-06-15

    申请号:DESC001252

    申请日:1950-04-03

    Inventor: SCHAEFER WILHELM

    Improvements in Windows.
    29.
    发明专利

    公开(公告)号:GB191303859A

    公开(公告)日:1913-04-10

    申请号:GB191303859D

    申请日:1913-02-14

    Inventor: SCHAEFER WILHELM

    Abstract: 3859. Schõfer, W. Feb. 19, 1912, [Convention date]. Glazing.-Inner and outer metal strips d, c are detachably secured to the sash bars a by spacing-blocks g with screws h, i, which engage in threaded holes. in the sash bars, and receive clamping-nuts k, the outer strips being formed with hook-shaped projections r engaging over the edges of the sash bars. The strips are grooved to receive lead tubing e, f as packing. Specification 7989/11 is referred to.

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