Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
G10K7/00—Sirens
G10K7/06—Sirens in which the sound-producing member is driven by a fluid, e.g. by a compressed gas
A—HUMAN NECESSITIES
A44—HABERDASHERY; JEWELLERY
A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
A44B17/00—Press-button or snap fasteners
A44B17/0064—Details
A44B17/0076—Socket member
Landscapes
Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Acoustics & Sound
(AREA)
Multimedia
(AREA)
Apparatuses For Generation Of Mechanical Vibrations
(AREA)
Verfahren und Maschine zur Herstellung allseitig geschlossener sowie auch auf einer oder mehreren Seiten ganz oder teilweise offener Hohlsteine u. dgl.