_:B44a93d4ce8b0e3a1c4b44b560cce8f9c . "Helmuth" . "Osthoff" . "1896"^^ . "Helmuth Osthoff" . . . "Osthoff, Helmuth (1896-)" . . _:B44a93d4ce8b0e3a1c4b44b560cce8f9c . _:B44a93d4ce8b0e3a1c4b44b560cce8f9c . _:B44a93d4ce8b0e3a1c4b44b560cce8f9c "2023-05-20"^^ . _:B44a93d4ce8b0e3a1c4b44b560cce8f9c . _:B44a93d4ce8b0e3a1c4b44b560cce8f9c . _:B44a93d4ce8b0e3a1c4b44b560cce8f9c "068306504" . _:B44a93d4ce8b0e3a1c4b44b560cce8f9c . _:B44a93d4ce8b0e3a1c4b44b560cce8f9c . _:B44a93d4ce8b0e3a1c4b44b560cce8f9c .